Home / 3,864,988,155.66-5,333,754,174.75-2,148,498,494.88

Finding the Fourth Proportional to 3,864,988,155.66, 5,333,754,174.75 and 2,148,498,494.88

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Solution

The fourth proportional to 3,864,988,155.66, 5,333,754,174.75 and 2,148,498,494.88 is: 2,964,967,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,988,155.66 : 5,333,754,174.75 = 2,148,498,494.88 : x
  2. Step 2: Convert to fraction form
    3,864,988,155.66/5,333,754,174.75 = 2,148,498,494.88/x
  3. Step 3: Cross multiply
    3,864,988,155.66x = 5,333,754,174.75 × 2,148,498,494.88
  4. Step 4: Simplify right side
    3,864,988,155.66x = 11,459,562,816,510,291,968
  5. Step 5: Solve for x
    x = 11,459,562,816,510,291,968/3,864,988,155.66
  6. Step 6: Final answer
    x = 2,964,967,124.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.